from tkinter import *

print('введите начальную координату X:')
X=int(input())
print('введите начальную координату Y:')
Y=int(input())
print('введите коэффициент увеличения N:')
N=int(input())

coords=[0,0,10,0,10,10,20,10,20,20,10,20,10,30,0,30]

if N==0 and X>=0 and X<=500 and Y>=0 and Y>=0 and Y<=500:
    pass
else:
    if N>0 and 0*N+X>=0 and 0*N+Y>=0 and 20*N+X<=500 and 20*N+Y<=500:
        pass
    else:
        if N<0 and 20*N+X>=0 and 20*N+Y>=0 and 0*N+X<=500 and 0*N+Y<=500:
            pass
        else:
            print('размер фигуры превышает максимальный размер поля')
            exit()

root=Tk()
root.title("ИТ марафон")
root.geometry("500x500")
canvas= Canvas(bg="white", width=500,height=500)
canvas.pack(anchor=CENTER, expand=1)

canvas.create_polygon(coords[0] *N+X,coords[1] *N+Y,
                      coords[2] *N+X,coords[3] *N+Y,
                      coords[4] *N+X,coords[5] *N+Y,
                      coords[6] *N+X,coords[7] *N+Y,
                      coords[8] *N+X,coords[9] *N+Y,
                      coords[10] *N+X,coords[11] *N+Y,
                      coords[12] *N+X,coords[13] *N+X,
                      coords[14] *N+X,coords[15] *N+X)

root.mainloop()
                      
